package com.ruoyi.common.convert;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import com.alibaba.excel.converters.Converter;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.metadata.CellData;
import com.alibaba.excel.metadata.GlobalConfiguration;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
import lombok.extern.slf4j.Slf4j;

import java.math.BigDecimal;

/**
 * 大数值转换
 * Excel 数值长度位15位 大于15位的数值转换位字符串
 *
 * @author Lion Li
 */
@Slf4j
public class ExcelBigNumberConvert implements Converter<Long> {

	@Override
	public Class<Long> supportJavaTypeKey() {
		return Long.class;
	}

	@Override
	public CellDataTypeEnum supportExcelTypeKey() {
		return CellDataTypeEnum.STRING;
	}

	@Override
	public Long convertToJavaData(CellData cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
		return Convert.toLong(cellData.getData());
	}

	@Override
	public CellData<Object> convertToExcelData(Long object, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
		if (ObjectUtil.isNotNull(object)) {
			String str = Convert.toStr(object);
			if (str.length() > 15) {
				return new CellData<>(str);
			}
		}
		CellData<Object> cellData = new CellData<>(new BigDecimal(object));
		cellData.setType(CellDataTypeEnum.NUMBER);
		return cellData;
	}

}
